[INFO] cloning repository https://github.com/mtimmerkamp/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtimmerkamp/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtimmerkamp%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtimmerkamp%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa0cab01e94fe1cb38b56bfd9ae9d3ef78b878cc
[INFO] checking mtimmerkamp/adventofcode2020 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtimmerkamp%2Fadventofcode2020" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mtimmerkamp/adventofcode2020
[INFO] finished tweaking git repo https://github.com/mtimmerkamp/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/mtimmerkamp/adventofcode2020 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mtimmerkamp/adventofcode2020 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mtimmerkamp/adventofcode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d885f63cd9a5e43f7692d8335f3583a5df7e7b3e27a8e322f0944294cbc67e4
[INFO] running `Command { std: "docker" "start" "-a" "6d885f63cd9a5e43f7692d8335f3583a5df7e7b3e27a8e322f0944294cbc67e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d885f63cd9a5e43f7692d8335f3583a5df7e7b3e27a8e322f0944294cbc67e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d885f63cd9a5e43f7692d8335f3583a5df7e7b3e27a8e322f0944294cbc67e4", kill_on_drop: false }`
[INFO] [stdout] 6d885f63cd9a5e43f7692d8335f3583a5df7e7b3e27a8e322f0944294cbc67e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 487d7ded6adfd2ccb4244737f457abf571f3a20440a354fe0c9d01b9499db9ff
[INFO] running `Command { std: "docker" "start" "-a" "487d7ded6adfd2ccb4244737f457abf571f3a20440a354fe0c9d01b9499db9ff", kill_on_drop: false }`
[INFO] [stderr]     Checking adventofcode2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/day14.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     InvalidCharacter(char),
[INFO] [stdout]    |     ---------------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MaskParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 -     InvalidCharacter(char),
[INFO] [stdout] 34 +     InvalidCharacter(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]   --> src/bin/day08.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct InstructionError {
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 43 |     kind: InstructionErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InstructionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]   --> src/bin/day08.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | struct ProcessorError {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 87 |     kind: ProcessorErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/day18.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |     InvalidCharacter(char),
[INFO] [stdout]    |     ---------------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 67 -     InvalidCharacter(char),
[INFO] [stdout] 67 +     InvalidCharacter(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/day16.rs:60:6
[INFO] [stdout]    |
[INFO] [stdout] 60 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/day18.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |     InvalidCharacter(char),
[INFO] [stdout]    |     ---------------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 67 -     InvalidCharacter(char),
[INFO] [stdout] 67 +     InvalidCharacter(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/day17.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     InvalidCharacter(char),
[INFO] [stdout]    |     ---------------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TileParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     InvalidCharacter(char),
[INFO] [stdout] 13 +     InvalidCharacter(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]   --> src/bin/day08.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct InstructionError {
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 43 |     kind: InstructionErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InstructionError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]   --> src/bin/day08.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | struct ProcessorError {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 87 |     kind: ProcessorErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `direction` is never read
[INFO] [stdout]   --> src/bin/day05.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct SeatRoutingError {
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 18 |     direction: Direction,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SeatRoutingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/bin/day05.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 | struct Error (&'static str);
[INFO] [stdout]     |        -----  ^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `country_id` is never read
[INFO] [stdout]   --> src/bin/day04.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Passport{
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     country_id: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/bin/day05.rs:168:30
[INFO] [stdout]     |
[INFO] [stdout] 168 |             Err(e) => panic!(e),
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `SeatRoutingError`
[INFO] [stdout]     |
[INFO] [stdout] 168 |             Err(e) => panic!("{:?}", e),
[INFO] [stdout]     |                              +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 168 -             Err(e) => panic!(e),
[INFO] [stdout] 168 +             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `direction` is never read
[INFO] [stdout]   --> src/bin/day05.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct SeatRoutingError {
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 18 |     direction: Direction,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SeatRoutingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/bin/day05.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 | struct Error (&'static str);
[INFO] [stdout]     |        -----  ^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/bin/day05.rs:168:30
[INFO] [stdout]     |
[INFO] [stdout] 168 |             Err(e) => panic!(e),
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `SeatRoutingError`
[INFO] [stdout]     |
[INFO] [stdout] 168 |             Err(e) => panic!("{:?}", e),
[INFO] [stdout]     |                              +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 168 -             Err(e) => panic!(e),
[INFO] [stdout] 168 +             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bin/day20.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |             panic!("Not implemented");
[INFO] [stdout]     |             ------------------------- any code following this expression is unreachable
[INFO] [stdout] 280 |             (-1, -1)
[INFO] [stdout]     |             ^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/bin/day20.rs:280:13
[INFO] [stdout]     |
[INFO] [stdout] 279 |             panic!("Not implemented");
[INFO] [stdout]     |             ------------------------- any code following this expression is unreachable
[INFO] [stdout] 280 |             (-1, -1)
[INFO] [stdout]     |             ^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `id` is never read
[INFO] [stdout]    --> src/bin/day20.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 id = 0;
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Position` is never used
[INFO] [stdout]  --> src/bin/day20.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Position {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_offset` is never used
[INFO] [stdout]   --> src/bin/day20.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn get_offset(pos: Position) -> (isize, isize) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `flip_horizontal`, `flip_vertical`, `rotate`, and `touches` are never used
[INFO] [stdout]    --> src/bin/day20.rs:54:8
[INFO] [stdout]     |
[INFO] [stdout]  32 | impl Tile {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  54 |     fn flip_horizontal(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  64 |     fn flip_vertical(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     fn rotate(&mut self, angle: u8) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     fn touches(&self, other: &Tile) -> Option<Position> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/day16.rs:60:6
[INFO] [stdout]    |
[INFO] [stdout] 60 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/day14.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     InvalidCharacter(char),
[INFO] [stdout]    |     ---------------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MaskParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 -     InvalidCharacter(char),
[INFO] [stdout] 34 +     InvalidCharacter(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `country_id` is never read
[INFO] [stdout]   --> src/bin/day04.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Passport{
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     country_id: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `id` is never read
[INFO] [stdout]    --> src/bin/day20.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 id = 0;
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Position` is never used
[INFO] [stdout]  --> src/bin/day20.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Position {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_offset` is never used
[INFO] [stdout]   --> src/bin/day20.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn get_offset(pos: Position) -> (isize, isize) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `flip_horizontal`, `flip_vertical`, `rotate`, and `touches` are never used
[INFO] [stdout]    --> src/bin/day20.rs:54:8
[INFO] [stdout]     |
[INFO] [stdout]  32 | impl Tile {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  54 |     fn flip_horizontal(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  64 |     fn flip_vertical(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  74 |     fn rotate(&mut self, angle: u8) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     fn touches(&self, other: &Tile) -> Option<Position> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/day17.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     InvalidCharacter(char),
[INFO] [stdout]    |     ---------------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TileParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     InvalidCharacter(char),
[INFO] [stdout] 13 +     InvalidCharacter(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]   --> src/bin/day12.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct ActionParseError{
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 78 |     kind: ActionErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ActionParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `kind` is never read
[INFO] [stdout]   --> src/bin/day12.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct ActionParseError{
[INFO] [stdout]    |        ---------------- field in this struct
[INFO] [stdout] 78 |     kind: ActionErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ActionParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "487d7ded6adfd2ccb4244737f457abf571f3a20440a354fe0c9d01b9499db9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "487d7ded6adfd2ccb4244737f457abf571f3a20440a354fe0c9d01b9499db9ff", kill_on_drop: false }`
[INFO] [stdout] 487d7ded6adfd2ccb4244737f457abf571f3a20440a354fe0c9d01b9499db9ff
